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Use Adobe Photoshop Curve Presets with digiKam

While digiKam can't handle Adobe Photoshop curve presets directly, the application supports curves in the GIMP-compatible CRV format. So if you want to use Adobe Photoshop curve presets with digiKam, you have to convert them into .crv files -- and the acv2gimp.py Python script can help you with that.